CN210800077U

CN210800077U - Sealed effectual control valve for water conservancy water and electricity

Info

Publication number: CN210800077U
Application number: CN201921940007.6U
Authority: CN
Inventors: 冯武
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-19
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a water conservancy and hydropower control valve with good sealing effect, which belongs to the technical field of water conservancy and hydropower, and comprises a valve body, wherein the top of the valve body is provided with a valve cover, the inside of the valve cover vertically penetrates through a valve rod, the outer wall of the valve rod is provided with threads, the top end of the valve rod penetrates through the valve cover, the top end of the valve rod is provided with a knob, the bottom end of the valve rod extends into the valve body, the bottom end of the valve rod is rotatably connected with a connecting block, the left end of the connecting block is provided with a connecting rod, the left end of the connecting rod is provided with a slide block, the inner wall of the valve body is provided with a slide groove, the connecting rod is slidably connected with the slide groove through the slide block, the bottom end of the connecting block is provided with a valve core, when a gap is formed between a sealing, the valve core can be tightly attached to the outer wall of the valve core, so that the water leakage is avoided.

Description

Sealed effectual control valve for water conservancy water and electricity

Technical Field

The utility model relates to a water conservancy water and electricity technical field specifically is a sealed effectual control valve for water conservancy water and electricity.

Background

The control valve is made up of two main components: valve body sub-assembly and actuating mechanism sub-assembly (or actuating mechanism system), current water conservancy is control valve for water and electricity is in order to improve the leakproofness, generally can all install seal gasket at the outer wall of disk seat, but the case when removing in the disk seat, can take place the friction, consequently, after long-time use, the seal gasket can produce wearing and tearing, thereby lead to appearing the gap between seal gasket and the case, the condition of leaking appears in the valve body easily, the leakproofness is relatively poor, and the bottom of case is receiving under the long-time impact force of fluid, make the valve rod vibration easily, lead to the condition that the skew appears in the valve rod, for this reason, we provide a sealed effectual water conservancy is control valve for water and electricity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual control valve for water conservancy water and electricity to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water conservancy and hydropower control valve with good sealing effect comprises a valve body, wherein a valve cover is arranged at the top of the valve body, a valve rod vertically penetrates through the inside of the valve cover, threads are arranged on the outer wall of the valve rod, the top end of the valve rod penetrates through the valve cover, a knob is arranged at the top end of the valve rod, the bottom end of the valve rod extends into the valve body, a connecting block is rotatably connected to the bottom end of the valve rod, a connecting rod is arranged at the left end of the connecting block, a sliding block is arranged at the left end of the connecting rod, a sliding groove is arranged on the inner wall of the valve body, the connecting rod is in sliding connection with the sliding groove through the sliding block, a valve core is arranged at the bottom end of the connecting block, a sealing gasket is arranged on the outer wall of the valve core in a circumferential fit manner, one side, close to the inner, and one end of the fixing device close to the valve core is connected to the outer wall of the sealing gasket, and a buffer device is arranged at the bottom of the valve core.

Preferably, fixing device is including connecting the fixed block on sealed outer wall that fills up, the inner wall right side of fixed block is provided with reset spring, reset spring's left end is connected on the outer wall of dead lever, the left end of dead lever runs through the fixed block and connects on the inner wall of disk seat, be provided with the gyro wheel on the outer wall of dead lever, and the dead lever passes through gyro wheel and fixed block roll connection, the top and the bottom of fixed block all are provided with the guide bar, and the one end swing joint that reset spring was kept away from to the guide bar is on the inner wall of disk seat.

Preferably, the buffering device comprises a buffering plate, a supporting rod is arranged at the top of the buffering plate, the top end of the supporting rod extends into the valve core, two groups of movable rods with the same structure are hinged to the top end of the supporting rod, the top ends of the two groups of movable rods are hinged to supporting blocks, the supporting blocks are connected to the outer wall of the cross rod in a sliding mode, stress springs sleeved on the outer wall of the cross rod are arranged on the inner wall of the valve core, and the opposite sides of the stress springs are connected to the outer wall of the supporting blocks.

Preferably, the cross-sectional area of the buffer plate is smaller than that of the bottom of the valve core, and semicircular rubber bulges are uniformly arranged at the bottom of the buffer plate.

Preferably, be provided with the sliding block on the outer wall of guide bar, and transversely be provided with on the inner wall of disk seat with sliding block assorted sliding tray.

Preferably, the outer wall of the knob is provided with a circumferential groove, and the groove is internally provided with a non-slip mat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the valve rod is rotated by rotating the knob, so that the connecting block moves downwards, the connecting block is relatively stable when moving downwards by arranging the connecting rod, the sliding block and the sliding groove, the valve core moves downwards by moving downwards the connecting block, so that the sealing of the valve body is realized by the valve seat, and the sealing effect can be improved by arranging the sealing gasket on the outer wall of the valve core;

2. by arranging the return spring, when a gap exists between the sealing gasket and the valve core, the return spring extends to drive the fixing block to extrude the sealing gasket, so that the sealing gasket can be tightly attached to the outer wall of the valve core even under the condition of abrasion, and the condition of water leakage is avoided;

3. through being provided with the buffer board, when the inside fluid of valve body flows, the case is located the top of disk seat, and the fluid strikes the buffer board for the buffer board drives bracing piece rebound, thereby drives supporting shoe extrusion stress spring through the movable rod, thereby through stress spring's flexible, can cushion the impact force that receives, thereby can reduce the vibration of valve rod, avoid the valve rod skew.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing device of the present invention;

fig. 3 is a schematic structural view of the buffering device of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a knob; 5. connecting blocks; 6. a connecting rod; 7. a slider; 8. a chute; 9. a valve core; 10. a gasket; 11. a valve seat; 12. a fixing device; 121. a fixed block; 122. a return spring; 123. fixing the rod; 124. a roller; 125. a guide bar; 13. a buffer device; 131. a buffer plate; 132. a support bar; 133. a movable rod; 134. a support block; 135. a cross bar; 136. a stress spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a water conservancy and hydropower control valve with good sealing effect is disclosed, please refer to fig. 1, and comprises a valve body 1, a valve cover 2 is arranged at the top of the valve body 1, a valve rod 3 vertically penetrates through the inside of the valve cover 2, a thread is arranged on the outer wall of the valve rod 3, the top end of the valve rod 3 penetrates through the valve cover 2, a knob 4 is arranged at the top end of the valve rod 3, the valve rod 3 is convenient to rotate, the bottom end of the valve rod 3 extends to the inside of the valve body 1, a connecting block 5 is rotatably connected to the bottom end of the valve rod 3, a connecting rod 6 is arranged at the left end of the connecting block 5, a sliding block 7 is arranged at the left end of the connecting rod 6, a sliding groove 8 is arranged on the inner wall of the valve body 1, the connecting rod 6 is slidably connected with the sliding groove 8 through the sliding block 7, so that the connecting block 5 is relatively stable when moving, because the sealing gasket 10 has a certain amount of deformation, the valve core 9 can be matched with the valve seat 11 to realize the sealing of the valve body 1, the sealing gasket 10 is arranged on the outer wall of the valve core 9 in an annular attaching manner, the sealing gasket 10 is made of rubber materials and has good sealing effect, the valve rod 3 is rotated by rotating the knob 4, so that the connecting block 5 moves downwards, the valve core 9 moves downwards through the connecting block 5, the sealing of the valve body 1 is realized through the valve seat 11, one side, close to the inner wall of the valve body 1, of the sealing gasket 10 is attached to the inner wall of the valve seat 11, the valve seat 11 is arranged on the inner wall of the valve body 1, the fixing device 12 is uniformly and annularly arranged inside the valve seat 11, one end, close to the valve core 9, of the fixing device 12 is connected to the outer wall of the sealing gasket 10, the bottom of the valve core 9 is provided with the, so that the vibration of the valve stem 3 can be reduced.

Referring to fig. 2, the fixing device 12 includes a fixing block 121 connected to an outer wall of the sealing gasket 10, a return spring 122 is disposed on a right side of an inner wall of the fixing block 121, a left end of the return spring 122 is connected to an outer wall of a fixing rod 123, a left end of the fixing rod 123 penetrates through the fixing block 121 and is connected to an inner wall of the valve seat 11, a roller 124 is disposed on an outer wall of the fixing rod 123, the fixing rod 123 is connected to the fixing block 121 through the roller 124 in a rolling manner, so that the fixing block 121 can move on the fixing rod 123, guide rods 125 are disposed at a top and a bottom of the fixing block 121, and one end of the guide rod 125, which is far away from the return spring 122, is movably connected to the inner wall of the valve seat 11, the fixing block 121 is relatively stable when moving through the guide rods 125, the sealing gasket 10 is pressed when the, when the sealing gasket 10 is worn and a gap is formed between the sealing gasket 10 and the valve core 9, the return spring 122 extends due to the elastic force of the return spring 122, so that the fixed block 121 moves rightwards, the fixed block 121 can drive the sealing gasket 10 to be tightly attached to the outer wall of the valve core 9, and the condition that water leaks from the valve body 1 is avoided;

referring to fig. 3, the buffering device 13 includes a buffering plate 131, a supporting rod 132 is disposed on the top of the buffering plate 131, the top end of the supporting rod 132 extends into the valve element 9, two sets of movable rods 133 having the same structure are hinged to the top end of the supporting rod 132, the top ends of the two sets of movable rods 133 are hinged to supporting blocks 134, the two sets of supporting blocks 134 are slidably connected to the outer wall of the cross rod 135, the cross rod 135 plays a guiding role, stress springs 136 sleeved on the outer wall of the cross rod 135 are disposed on the inner wall of the valve element 9, anti-corrosion paint is coated on the outer walls of the stress springs 136, the anti-corrosion performance of the stress springs 136 can be improved, the opposite sides of the two sets of stress springs 136 are connected to the outer wall of the supporting blocks 134, when fluid in the valve body 1 flows, the valve element 9 is located above the valve seat 11, at this time, therefore, the movable rod 133 drives the supporting block 134 to extrude the stress spring 136, so that the stress spring 136 can expand and contract to buffer the received impact force, the vibration of the valve rod 3 can be reduced, and the valve rod 3 is prevented from deviating;

referring to fig. 3, the cross-sectional area of the buffer plate 131 is smaller than the cross-sectional area of the bottom of the valve element 9, so that the valve element 9 is not blocked by the valve seat 11 when moving downward, and semicircular rubber protrusions are uniformly arranged at the bottom of the buffer plate 131, so that the buffer plate 131 buffers impact force in one step when contacting fluid;

referring to fig. 2, the outer wall of the guide rod 125 is provided with a sliding block, and the inner wall of the valve seat 11 is transversely provided with a sliding groove matched with the sliding block, so that the stability of the fixed block 121 during movement is improved;

referring to fig. 1, an annular groove is formed in an outer wall of the knob 4, and a non-slip pad is disposed inside the groove, and the non-slip pad is made of rubber, so that the non-slip property of the knob 4 is improved.

The working principle is as follows: when the valve is used, the knob 4 is rotated in the forward direction, the valve rod 3 is rotated, the connecting block 5 is moved downwards, the valve core 9 is moved downwards, the valve seat 11 is used for sealing the valve body 1, the valve core 9 is pressed by the sealing gasket 10 when moving downwards, the sealing gasket 10 drives the fixing block 121 to move leftwards on the fixing rod 123, the return spring 122 is compressed, when the sealing gasket 10 is abraded and a gap is formed between the sealing gasket 10 and the valve core 9, the return spring 122 extends due to the elastic force of the return spring 122, the fixing block 121 is moved rightwards, the fixing block 121 can drive the sealing gasket 10 to be tightly attached to the outer wall of the valve core 9, the water leakage condition of the valve body 1 is avoided, when the sealing is not needed, the knob 4 is rotated in the reverse direction, the valve core 9 is separated from the valve seat 11, make buffer board 131 drive bracing piece 132 rebound to drive supporting shoe 134 extrusion stress spring 136 through movable rod 133, thereby through stress spring 136 flexible, the impact force that can cushion and receive, thereby can reduce the vibration of valve rod 3, avoid the skew of valve rod 3, improved the life of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed effectual water conservancy is control valve for water and electricity, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is arranged at the top of the valve body (1), a valve rod (3) vertically penetrates through the interior of the valve cover (2), threads are arranged on the outer wall of the valve rod (3), the top end of the valve rod (3) penetrates through the valve cover (2), a knob (4) is arranged at the top end of the valve rod (3), the bottom end of the valve rod (3) extends into the interior of the valve body (1), a connecting block (5) is rotatably connected to the bottom end of the valve rod (3), a connecting rod (6) is arranged at the left end of the connecting block (5), a sliding block (7) is arranged at the left end of the connecting rod (6), a sliding groove (8) is formed in the inner wall of the valve body (1), the connecting rod (6) is slidably connected with the sliding groove (8) through the sliding block (7), a valve core (9) is arranged at the, and one side of the sealing gasket (10) close to the inner wall of the valve body (1) is attached to the inner wall of the valve seat (11), the valve seat (11) is arranged on the inner wall of the valve body (1), the fixing devices (12) are uniformly and annularly arranged inside the valve seat (11), one ends of the fixing devices (12) close to the valve cores (9) are connected to the outer wall of the sealing gasket (10), and the buffer devices (13) are arranged at the bottoms of the valve cores (9).

2. The water conservancy and hydropower control valve with good sealing effect according to claim 1, characterized in that: fixing device (12) is including connecting fixed block (121) on sealed pad (10) outer wall, the inner wall right side of fixed block (121) is provided with reset spring (122), the left end of reset spring (122) is connected on the outer wall of dead lever (123), the left end of dead lever (123) runs through fixed block (121) and connects on the inner wall of disk seat (11), be provided with gyro wheel (124) on the outer wall of dead lever (123), and dead lever (123) pass through gyro wheel (124) and fixed block (121) roll connection, the top and the bottom of fixed block (121) all are provided with guide bar (125), and the one end swing joint that reset spring (122) was kept away from in guide bar (125) is on the inner wall of disk seat (11).

3. The water conservancy and hydropower control valve with good sealing effect according to claim 1, characterized in that: buffer (13) are including buffer board (131), the top of buffer board (131) is provided with bracing piece (132), and the top of bracing piece (132) extends to the inside of case (9), the top of bracing piece (132) articulates there are two sets of movable rod (133) that the structure is the same, and is two sets of the top of movable rod (133) all articulates with supporting shoe (134), and is two sets of equal sliding connection of supporting shoe (134) is on the outer wall of horizontal pole (135), all be provided with stress spring (136) of cup jointing on horizontal pole (135) outer wall on the inner wall of case (9), and two sets of the opposite side of stress spring (136) all connects on the outer wall of supporting shoe (134).

4. The water conservancy and hydropower control valve with good sealing effect according to claim 3, characterized in that: the cross-sectional area of the buffer plate (131) is smaller than that of the bottom of the valve core (9), and semicircular rubber bulges are uniformly arranged at the bottom of the buffer plate (131).

5. The water conservancy and hydropower control valve with good sealing effect according to claim 2, characterized in that: the outer wall of the guide rod (125) is provided with a sliding block, and the inner wall of the valve seat (11) is transversely provided with a sliding groove matched with the sliding block.

6. The water conservancy and hydropower control valve with good sealing effect according to claim 1, characterized in that: the outer wall of the knob (4) is provided with a circumferential groove, and an anti-slip pad is arranged inside the groove.